"""
演示range语句的使用
"""
# range语法1：range(num),
for x in range(10):
    print(x)
# range语法2：range(num1,num2)
for x in range(5,10):
    print(x)
# range语法3：range(num1,num2,step)
for x in range(5,10,2):
    print(x)